Heartstream

SSR rarity

A special tachi that adapts to the Super Flow experiments. It is able to sense the user's mental state and generate Sword Shadow to assist in combat at the right time.

  • Ice
    Element Frost
  • Tank
    Type Tank
  • S
    Shatter 13.90
  • A
    Charge 8.00
  • Attack 531 (Lv. 200, 0★)
  • Resistance 273 (Lv. 200, 0★)
  • HP 40000 (Lv. 200, 0★)

Weapon Enhancements (levels)

Affects skill damage and weapon stats
200
0 200

Weapon Advancements (stars)

Affects weapon stats
0
0 1 2 3 4 5 6

Part of a set

Added in version 2.0

Weapon Effects

Ice Shell

When the weapon is fully charged, the next attack will strongly freeze targets for 2 seconds and leave them frostbitten for 6 seconds. Breaking the ice shell deals damage equal to 151.00% of ATK. While frostbitten, the target's weapon charge rate is reduced by 50%.

Frost Resonance

Increase frost ATK by 15% and frost resistance by 25%. Activate by equipping 2 or more frost weapons. This set effect works in the off-hand slot. Cannot stack with effects of the same type.

Advancements

Each advancement requires 1x Heartstream duplicate to upgrade.

Stars Effect
1 ★

Saki Fuwa's weapon skill cooldowns are cleared every 6 times weapon skills are used.

2 ★

Increase the current weapon's base ATK growth by 16%.

3 ★

Excited Flow: Increase the damage of Sword Shadow: Surge to 350% of frost ATK. Silent Flow: The cooldown of Sword Shadow: Surge becomes 5 seconds.

4 ★

Increase the current weapon's base HP growth by 32%.

5 ★

Freeze time and trigger Phantasia upon Surge hitting the target. Share cooldown with the Phantasia triggered by dodging.

6 ★

Excited Flow: Upon hitting a target with Sword Shadow: Flow, reduce the damage dealt by the target against the Wanderer by 11% for 15 seconds. Silent Flow: Upon triggering block with Sword Shadow, reduce the damage dealt by all surrounding enemy targets by 25% for 12 seconds.

Skills

In-game guidebook entry for Heartstream
Instructions for Heartstream. Learn how to use the skills for this type of weapon.

Weapon Enhancements (levels)

Affects skill damage and weapon stats
200
0 200
  • Ragestream Lv. 21

    Damage

    Launch 5 Heartstream attacks while on the ground. The first attack deals 42.5% of ATK plus 268 damage to the target and knocks the target back a short distance. The second attack deals 29.5% of ATK plus 186 damage to the target and knocks the target back a short distance. The third attack deals 45% of ATK plus 284 damage to the target and knocks the target back a short distance. The fourth attack deals 70.6% of ATK plus 446 damage to the target and knocks the target back a short distance. The fifth attack deals 102.6% of ATK plus 648 damage to the target and launches the target into the air.

    Attack x5
  • Airsplit Lv. 21

    Damage

    While airborne or after jumping once, use normal attack to attack 5 times in a row in mid-air. First Attack: Deal damage equal to 47.2% of ATK plus 298. Second Attack: Deal damage equal to 43.7% of ATK plus 276. Third Attack: Deal damage equal to 54.2% of ATK plus 342. Fourth Attack: Deal damage equal to 76.9% of ATK plus 486. Fifth Attack: Deal damage equal to 170.2% of ATK plus 1075.

    JumpAttack x5
  • Excited Flow: Vortex Lv. 21

    Damage

    In the Excited Flow mode, tap and hold normal attack to trigger the skill. Dash forward with a swirling multi-attack, dealing a maximum of 199.5% of ATK plus 1260 damage.

    AttackHold Attack
  • Silent Flow: Barrier Lv. 21

    Damage

    In the Silent Flow mode, hold normal attack immediately or while launching normal attacks to trigger the skill. Hold the attack button to keep the Anticipation. Release the button to deal 127.3% of ATK plus 804 damage. When hit during the attacking period, blocks 20% of your Max HP.

    Hold Attack
  • Frostfall Lv. 21

    Damage

    Tap and hold normal attack while airborne, or use normal attack while climbing, jumping backward, or using the Jetpack to trigger. While falling, deal damage equal to 30.4% of ATK plus 192 each hit. Upon landing, deal damage equal to 76% of ATK plus 480 to nearby targets.

    JumpHold Attack

Upgrade Materials

0 200
0 200

Augmentation

Increases max weapon level to Lv. 200 and raises weapon skills to Lv. 20.
A final augmentation exists at weapon level 200, raising weapon skills to Lv. 21.

  • Gold 84000
  • Icecore 39
  • Nano Coating I 35
  • Booster Frame I 32
  • Heart of Winter 65
  • Nano Coating II 65
  • Booster Frame II 65
  • Snowsource 32
  • Nano Coating III 32
  • Booster Frame III 32

Req. Wanderer Level 100.

Enhancement

Increases weapon level from Lv. 0 to Lv. 200

  • Gold 113800
  • EXP 113800

Meta

Analysis

Rating

Meta last updated by Zakum on March 15, 2024

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